Finding the Third Proportional to 5,289,534 and 7,856,532

Step by Step Solution

1. Step 1: Write the proportion equation
   5,289,534 : 7,856,532 = 7,856,532 : x
2. Step 2: Convert to fraction form
   5,289,534/7,856,532 = 7,856,532/x
3. Step 3: Cross multiply
   5,289,534x = 7,856,532 × 7,856,532
4. Step 4: Simplify right side
   5,289,534x = 61,725,095,067,024
5. Step 5: Solve for x
   x = 61,725,095,067,024/5,289,534
6. Step 6: Final answer
   x = 11,669,287.89